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Gianella, S; von Wyl, V; Fischer, M; Niederoest, B; Battegay, M; Bernasconi, E; Cavassini, M; Rauch, A; Hirschel, B; Vernazza, P; Weber, R; Joos, B; Günthard, H F (2011). Effect of early antiretroviral therapy during primary HIV-1 infection on cell-associated HIV-1 DNA and plasma HIV-1 RNA. Antiviral Therapy, 16(4):535-545.

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Early initiation of combination antiretroviral therapy (ART) during primary HIV-1 infection may prevent the establishment of large viral reservoirs, possibly resulting in improved control of plasma viraemia rebound after ART cessation.

Levels of cell-associated HIV-1 DNA and plasma HIV-1 RNA were measured longitudinally in 32 acutely and recently infected patients, who started ART ≤120 days after the estimated date of infection, and interrupted ART after 18 months (median) of continuous therapy. Averages of HIV-1 DNA and RNA concentrations present in blood 30-365 days after therapy interruption (median duration 300 days, range 195-358) were compared between patients who started ART ≤60 days after the estimated date of infection (early starters), those who started between 61 and 120 days (later starters), and, for HIV-1 RNA only, with 89 untreated participants of the Swiss HIV Cohort Study with documented seroconversion and longitudinal measurements collected 90-455 days after the first positive HIV test.

In early ART starters, average levels of plasma HIV-1 RNA and cell-associated HIV-1 DNA after treatment interruption were 1 log(10) (P=0.008) and 0.4 log(10) (P=0.03) lower compared with later starters. Average post-treatment plasma HIV-1 RNA levels in early starters were significantly lower, respectively, compared with untreated controls (-1.2 log(10); P<0.0004).

Early treatment initiation within 2 months after HIV infection compared with later therapy initiation resulted in reduced levels of plasma viraemia and proviral HIV-1 DNA for ≥1 year after subsequent ART cessation. Plasma HIV-1 RNA levels in early starters were also significantly lower than in untreated controls.


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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Infectious Diseases
Dewey Decimal Classification:610 Medicine & health
Deposited On:21 Jan 2012 21:00
Last Modified:05 Apr 2016 15:25
Publisher:International Medical Press
Publisher DOI:10.3851/IMP1776
PubMed ID:21685541

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